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Fundy

Warnings

Forecast

Marine Forecast

Issued 03:30 PM ADT 11 March 2026

Tonight and Thursday.

Wind northeast 20 to 25 knots veering to southeast 20 this evening then increasing to southwest 30 late overnight. Wind diminishing to northwest 20 Thursday evening.

Showers tonight and Thursday. Risk of thunderstorms Thursday morning. Fog patches forming overnight and dissipating Thursday evening.

Waves

Issued 05:00 AM ADT 11 March 2026
Today Tonight and Thursday. Seas 1 metre or less building to 1 to 2 Thursday morning.

Extended Forecast

Issued 03:30 PM ADT 11 March 2026
Friday Wind west 25 knots.
Saturday Wind southeast 20 knots increasing to southwest 30.
Sunday Wind northwest 20 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday Open water except 1 tenth grey-white ice in the extreme eastern section. 

[ Canadian Ice Service ]

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Map of St. Lawrence - St. Lawrence River marine weather areas Miramichi North Cape Port Menier Roberval Airport Normandin Mistook Jonquière CFB Bagotville Cap-Chat Île Bicquette Charlo North Bay Airport Yarmouth Airport Brier Island St. Stephen Saint John Airport Point Lepreau Greater Moncton Roméo LeBlanc Int'l Airport Miscou Island Kouchibouguac Kouchibouguac Grand Manan Fundy Park (Alma) Bas Caraquet Bathurst Airport Lac Saint-Pierre Pointe-Noire Île d'Orléans Pointe-des-Monts L'Assomption Sept-Îles Airport Pointe Claveau Pointe de l'Islet Trois-Rivières Airport L'Isle-aux-Grues Deschambault Île Rouge Montréal-Trudeau Int'l Airport Montréal Metropolitain Airport Lac Memphrémagog Sainte-Anne-de-Bellevue Cap-Rouge Saint-Anicet Baie-Comeau Airport La Pocatière Pointe-au-Père New Carlisle Mont-Joli Airport Gaspé Airport Lake Nipissing - 45152 Rivière-la-Madeleine Beauport Cap-d'Espoir
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 11 March 2026 Today Tonight and Thursday

Ice Edge

Ice edge estimated from 4420N 6720W to 4430N 6635W to 4330N 6615W to
4315N 6515W to 4603N 5814W to 4722N 5805W to 4643N 5628W to
Newfoundland near 4640N 5530W. Sea ice north of the ice edge.

Ice Coverage

Open water except 1 tenth grey-white ice in the extreme eastern
section.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 3:30 PM ADT 11 March 2026 Tonight and Thursday At 3:30 p.m. ADT today high located from Quebec to Cabot Strait.
By 8:00 p.m. ADT tonight departing ridge from high located from
Labrador to Newfoundland.

At 10:00 a.m. ADT Thursday low 990 mb located west of New Brunswick.
By 8:00 p.m. ADT Thursday low 991 mb located east of Anticosti
Island.

Marine Weather Statement

Issued 3:18 PM ADT 11 March 2026 A low pressure system will approach the marine district from the west
tonight and cross the Gulf of St. Lawrence on Thursday. Strong to
gale force southeasterlies will develop ahead of the low and shift to
strong northwesterlies in its wake.

Marine interests are advised that gale warnings are in effect for all
waters except for Fundy, Northumberland Strait, Gulf - Magdalen -
northwestern half, Chaleur - Miscou, and Anticosti - southern half.

Marine interests are also advised that freezing spray warnings are in
effect for all Gulf of St. Lawrence waters except Northumberland
Strait.

St. Lawrence - St. Lawrence River Area

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Marine Weather for Canada

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